17 August 2016 Laboratory demonstration of the piezoelectric figure correction of a cylindrical slumped glass optic
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Abstract
The X-ray Surveyor is a mission concept for a next generation X-ray observatory. This mission will feature roughly 30 times the effective area of the Chandra Observatory while matching its sub-arcsecond angular resolution. The key to meeting these requirements is lightweight, segmented optics. To ensure these optics achieve and maintain sub-arcsecond performance, we propose to use piezoelectric coatings for post-bonding and on-orbit figure correction. We have fabricated a cylindrical prototype optic with piezoelectric adjusters and measured its performance using optical metrology. We present the results of this experiment and discuss their implications for an observatory featuring adjustable X-ray optics.
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Ryan Allured, Edward Hertz, Vanessa Marquez, Vincenzo Cotroneo, Margeaux Wallace, Bianca Salmaso, Marta M. Civitani, Susan Trolier-McKinstry, Alexey A. Vikhlinin, Giovanni Pareschi, Paul B. Reid, "Laboratory demonstration of the piezoelectric figure correction of a cylindrical slumped glass optic", Proc. SPIE 9905, Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray, 990554 (17 August 2016); doi: 10.1117/12.2233827; https://doi.org/10.1117/12.2233827
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